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Signal_8h_source.html
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// -*- C++ -*-</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// -*- coding: utf-8 -*-</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// </span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// Author: Heresh Fattahi</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// Copyright 2018-</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">//</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> </div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#pragma once</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include "forward.h"</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> </div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include <cmath></span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include <memory></span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <valarray></span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <isce3/core/Constants.h></span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">template</span><<span class="keyword">class</span> T> </div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">class </span><a class="code" href="classisce3_1_1signal_1_1Signal.html">isce3::signal::Signal</a> {</div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <a class="code" href="classisce3_1_1signal_1_1Signal.html#a610c974d61968df6bd84e106387f5087">Signal</a>();</div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <a class="code" href="classisce3_1_1signal_1_1Signal.html#a610c974d61968df6bd84e106387f5087">Signal</a>(<span class="keywordtype">int</span> nthreads);</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  ~<a class="code" href="classisce3_1_1signal_1_1Signal.html#a610c974d61968df6bd84e106387f5087">Signal</a>() {};</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#a5b76941cad44235615466fc4a1723a64">fftPlanForward</a>(std::valarray<std::complex<T>> &input, </div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  std::valarray<std::complex<T>> &output,</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keywordtype">int</span> rank, <span class="keywordtype">int</span>* n, <span class="keywordtype">int</span> howmany,</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordtype">int</span>* inembed, <span class="keywordtype">int</span> istride, <span class="keywordtype">int</span> idist,</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keywordtype">int</span>* onembed, <span class="keywordtype">int</span> ostride, <span class="keywordtype">int</span> odist, <span class="keywordtype">int</span> sign);</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#a5b76941cad44235615466fc4a1723a64">fftPlanForward</a>(std::complex<T>* input,</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  std::complex<T>* output,</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordtype">int</span> rank, <span class="keywordtype">int</span>* n, <span class="keywordtype">int</span> howmany,</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordtype">int</span>* inembed, <span class="keywordtype">int</span> istride, <span class="keywordtype">int</span> idist,</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordtype">int</span>* onembed, <span class="keywordtype">int</span> ostride, <span class="keywordtype">int</span> odist, <span class="keywordtype">int</span> sign);</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#a5b76941cad44235615466fc4a1723a64">fftPlanForward</a>(std::valarray<T> &input,</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  std::valarray<std::complex<T>> &output,</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordtype">int</span> rank, <span class="keywordtype">int</span>* n, <span class="keywordtype">int</span> howmany,</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordtype">int</span>* inembed, <span class="keywordtype">int</span> istride, <span class="keywordtype">int</span> idist,</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordtype">int</span>* onembed, <span class="keywordtype">int</span> ostride, <span class="keywordtype">int</span> odist);</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#a5b76941cad44235615466fc4a1723a64">fftPlanForward</a>(T* input,</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  std::complex<T>* output,</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordtype">int</span> rank, <span class="keywordtype">int</span>* n, <span class="keywordtype">int</span> howmany,</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordtype">int</span>* inembed, <span class="keywordtype">int</span> istride, <span class="keywordtype">int</span> idist,</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordtype">int</span>* onembed, <span class="keywordtype">int</span> ostride, <span class="keywordtype">int</span> odist);</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#a09134877ef3ab561e37b0e7a182f5c0d">fftPlanBackward</a>(std::valarray<std::complex<T>> &input,</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  std::valarray<std::complex<T>> &output,</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordtype">int</span> rank, <span class="keywordtype">int</span>* n, <span class="keywordtype">int</span> howmany,</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordtype">int</span>* inembed, <span class="keywordtype">int</span> istride, <span class="keywordtype">int</span> idist,</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordtype">int</span>* onembed, <span class="keywordtype">int</span> ostride, <span class="keywordtype">int</span> odist, <span class="keywordtype">int</span> sign); </div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#a09134877ef3ab561e37b0e7a182f5c0d">fftPlanBackward</a>(std::complex<T>* input,</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  std::complex<T>* output,</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordtype">int</span> rank, <span class="keywordtype">int</span>* n, <span class="keywordtype">int</span> howmany,</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordtype">int</span>* inembed, <span class="keywordtype">int</span> istride, <span class="keywordtype">int</span> idist,</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordtype">int</span>* onembed, <span class="keywordtype">int</span> ostride, <span class="keywordtype">int</span> odist, <span class="keywordtype">int</span> sign);</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#a09134877ef3ab561e37b0e7a182f5c0d">fftPlanBackward</a>(std::valarray<std::complex<T>>& input,</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  std::valarray<T>& output,</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordtype">int</span> rank, <span class="keywordtype">int</span>* n, <span class="keywordtype">int</span> howmany,</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordtype">int</span>* inembed, <span class="keywordtype">int</span> istride, <span class="keywordtype">int</span> idist,</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordtype">int</span>* onembed, <span class="keywordtype">int</span> ostride, <span class="keywordtype">int</span> odist);</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#a09134877ef3ab561e37b0e7a182f5c0d">fftPlanBackward</a>(std::complex<T>* input,</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  T* output,</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordtype">int</span> rank, <span class="keywordtype">int</span>* n, <span class="keywordtype">int</span> howmany,</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordtype">int</span>* inembed, <span class="keywordtype">int</span> istride, <span class="keywordtype">int</span> idist,</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordtype">int</span>* onembed, <span class="keywordtype">int</span> ostride, <span class="keywordtype">int</span> odist);</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#a49f683a3f4a29095baf86ccd363f0740">forward</a>(std::valarray<std::complex<T>> &input,</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  std::valarray<std::complex<T>> &output);</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#a49f683a3f4a29095baf86ccd363f0740">forward</a>(std::complex<T>* input,</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  std::complex<T>* output);</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#a49f683a3f4a29095baf86ccd363f0740">forward</a>(std::valarray<T> &input,</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  std::valarray<std::complex<T>> &output);</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> </div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#a49f683a3f4a29095baf86ccd363f0740">forward</a>(T* input,</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  std::complex<T>* output);</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  </div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> </div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#af678bc937caa135fa42034ad293431c8">inverse</a>(std::valarray<std::complex<T>> &input,</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  std::valarray<std::complex<T>> &output);</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> </div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#af678bc937caa135fa42034ad293431c8">inverse</a>(std::complex<T>* input,</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  std::complex<T>* output);</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#af678bc937caa135fa42034ad293431c8">inverse</a>(std::valarray<std::complex<T>>& input,</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  std::valarray<T>& output);</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> </div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#af678bc937caa135fa42034ad293431c8">inverse</a>(std::complex<T>* input,</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  T* output);</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> </div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#afe0cf8d9c1ca7da086cfa7a537c7abfd">forwardRangeFFT</a>(std::valarray<std::complex<T>>& signal, </div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  std::valarray<std::complex<T>>& spectrum,</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordtype">int</span> ncolumns, <span class="keywordtype">int</span> nrows);</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> </div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#afe0cf8d9c1ca7da086cfa7a537c7abfd">forwardRangeFFT</a>(std::complex<T>* signal,</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  std::complex<T>* spectrum,</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordtype">int</span> ncolumns, <span class="keywordtype">int</span> nrows);</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> </div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#afe0cf8d9c1ca7da086cfa7a537c7abfd">forwardRangeFFT</a>(std::valarray<T>& signal,</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  std::valarray<std::complex<T>>& spectrum,</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordtype">int</span> ncolumns, <span class="keywordtype">int</span> nrows);</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> </div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#afe0cf8d9c1ca7da086cfa7a537c7abfd">forwardRangeFFT</a>(T* signal,</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  std::complex<T>* spectrum,</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordtype">int</span> ncolumns, <span class="keywordtype">int</span> nrows);</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> </div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#a18624251180ce1ea8c253d6702130886">forwardAzimuthFFT</a>(std::valarray<std::complex<T>> &signal,</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  std::valarray<std::complex<T>> &spectrum,</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordtype">int</span> ncolumns, <span class="keywordtype">int</span> nrows);</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> </div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#a18624251180ce1ea8c253d6702130886">forwardAzimuthFFT</a>(std::complex<T>* signal,</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  std::complex<T>* spectrum,</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordtype">int</span> ncolumns, <span class="keywordtype">int</span> nrows);</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> </div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#a18624251180ce1ea8c253d6702130886">forwardAzimuthFFT</a>(std::valarray<T> &signal,</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  std::valarray<std::complex<T>> &spectrum,</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordtype">int</span> ncolumns, <span class="keywordtype">int</span> nrows);</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> </div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#a18624251180ce1ea8c253d6702130886">forwardAzimuthFFT</a>(T* signal,</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  std::complex<T>* spectrum,</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordtype">int</span> ncolumns, <span class="keywordtype">int</span> nrows);</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> </div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#aebef961921a56f9a9e08e827e18471f5">forward2DFFT</a>(std::valarray<std::complex<T>> &signal,</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  std::valarray<std::complex<T>> &spectrum,</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordtype">int</span> ncolumns, <span class="keywordtype">int</span> nrows);</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> </div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#aebef961921a56f9a9e08e827e18471f5">forward2DFFT</a>(std::valarray<std::complex<T>> &signal,</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  std::valarray<std::complex<T>> &spectrum,</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keywordtype">int</span> incolumns, <span class="keywordtype">int</span> inrows,</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordtype">int</span> oncolumns, <span class="keywordtype">int</span> onrows);</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  </div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#aebef961921a56f9a9e08e827e18471f5">forward2DFFT</a>(std::complex<T>* signal,</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  std::complex<T>* spectrum,</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordtype">int</span> ncolumns, <span class="keywordtype">int</span> nrows);</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> </div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#aebef961921a56f9a9e08e827e18471f5">forward2DFFT</a>(std::complex<T>* signal,</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  std::complex<T>* spectrum,</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordtype">int</span> incolumns, <span class="keywordtype">int</span> inrows,</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordtype">int</span> oncolumns, <span class="keywordtype">int</span> onrows);</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span> </div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#aebef961921a56f9a9e08e827e18471f5">forward2DFFT</a>(std::valarray<T>& signal,</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  std::valarray<std::complex<T>>& spectrum,</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keywordtype">int</span> ncolumns, <span class="keywordtype">int</span> nrows);</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span> </div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#aebef961921a56f9a9e08e827e18471f5">forward2DFFT</a>(std::valarray<T>& signal,</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  std::valarray<std::complex<T>>& spectrum,</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keywordtype">int</span> incolumns, <span class="keywordtype">int</span> inrows,</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keywordtype">int</span> oncolumns, <span class="keywordtype">int</span> onrows);</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> </div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#aebef961921a56f9a9e08e827e18471f5">forward2DFFT</a>(T* signal,</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  std::complex<T>* spectrum,</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keywordtype">int</span> ncolumns, <span class="keywordtype">int</span> nrows);</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> </div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#aebef961921a56f9a9e08e827e18471f5">forward2DFFT</a>(T* signal,</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  std::complex<T>* spectrum,</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keywordtype">int</span> incolumns, <span class="keywordtype">int</span> inrows,</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keywordtype">int</span> oncolumns, <span class="keywordtype">int</span> onrows);</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> </div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#a625fcf6bd59573dfb1ca4f68ad3f96d6">inverseRangeFFT</a>(std::valarray<std::complex<T>> &spectrum, </div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  std::valarray<std::complex<T>> &signal,</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keywordtype">int</span> ncolumns, <span class="keywordtype">int</span> nrows);</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span> </div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#a625fcf6bd59573dfb1ca4f68ad3f96d6">inverseRangeFFT</a>(std::complex<T>* spectrum,</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  std::complex<T>* signal,</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="keywordtype">int</span> ncolumns, <span class="keywordtype">int</span> nrows);</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span> </div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#a625fcf6bd59573dfb1ca4f68ad3f96d6">inverseRangeFFT</a>(std::valarray<std::complex<T>> &spectrum,</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  std::valarray<T> &signal,</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="keywordtype">int</span> ncolumns, <span class="keywordtype">int</span> nrows);</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span> </div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#a625fcf6bd59573dfb1ca4f68ad3f96d6">inverseRangeFFT</a>(std::complex<T>* spectrum,</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  T* signal,</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="keywordtype">int</span> ncolumns, <span class="keywordtype">int</span> nrows);</div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> </div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#a5f752c6023d7a7d410810f2567e364c0">inverseAzimuthFFT</a>(std::valarray<std::complex<T>> &spectrum,</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  std::valarray<std::complex<T>> &signal,</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="keywordtype">int</span> ncolumns, <span class="keywordtype">int</span> nrows);</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span> </div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#a5f752c6023d7a7d410810f2567e364c0">inverseAzimuthFFT</a>(std::complex<T>* spectrum,</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  std::complex<T>* signal,</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keywordtype">int</span> ncolumns, <span class="keywordtype">int</span> nrows);</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#a5f752c6023d7a7d410810f2567e364c0">inverseAzimuthFFT</a>(std::valarray<std::complex<T>> &spectrum,</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  std::valarray<T> &signal,</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keywordtype">int</span> ncolumns, <span class="keywordtype">int</span> nrows);</div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span> </div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#a5f752c6023d7a7d410810f2567e364c0">inverseAzimuthFFT</a>(std::complex<T>* spectrum,</div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  T* signal,</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="keywordtype">int</span> ncolumns, <span class="keywordtype">int</span> nrows);</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span> </div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#a2d32a5e837d7d4e3e1e08512c6c9ed82">inverse2DFFT</a>(std::valarray<std::complex<T>> &spectrum,</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  std::valarray<std::complex<T>> &signal,</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="keywordtype">int</span> ncolumns, <span class="keywordtype">int</span> nrows);</div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span> </div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#a2d32a5e837d7d4e3e1e08512c6c9ed82">inverse2DFFT</a>(std::complex<T>* spectrum,</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  std::complex<T>* signal,</div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordtype">int</span> ncolumns, <span class="keywordtype">int</span> nrows);</div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  </div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#a2d32a5e837d7d4e3e1e08512c6c9ed82">inverse2DFFT</a>(std::valarray<std::complex<T>> &spectrum,</div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  std::valarray<T> &signal,</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keywordtype">int</span> ncolumns, <span class="keywordtype">int</span> nrows);</div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span> </div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#a2d32a5e837d7d4e3e1e08512c6c9ed82">inverse2DFFT</a>(std::complex<T>* spectrum,</div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  T* signal,</div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="keywordtype">int</span> ncolumns, <span class="keywordtype">int</span> nrows);</div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span> </div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span> </div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#adaca0fb5fa19f55fe45a1e197274ad04">upsample</a>(std::valarray<std::complex<T>> &signal,</div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  std::valarray<std::complex<T>> &signalOversampled,</div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="keywordtype">int</span> rows, <span class="keywordtype">int</span> fft_size, <span class="keywordtype">int</span> oversampleFactor);</div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span> </div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#adaca0fb5fa19f55fe45a1e197274ad04">upsample</a>(std::valarray<std::complex<T>> &signal,</div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  std::valarray<std::complex<T>> &signalOversampled,</div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="keywordtype">int</span> rows, <span class="keywordtype">int</span> fft_size, <span class="keywordtype">int</span> oversampleFactor,</div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  std::valarray<std::complex<T>> shiftImpact);</div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span> </div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span> </div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span> </div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span> </div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#a5fd8c1b1129a54f5896b459520cf7c69">upsample2D</a>(std::valarray<std::complex<T>> &signal,</div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  std::valarray<std::complex<T>> &signalOversampled,</div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="keywordtype">int</span> oversampleFactor);</div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span> </div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#a5fd8c1b1129a54f5896b459520cf7c69">upsample2D</a>(std::valarray<std::complex<T>> &signal,</div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  std::valarray<std::complex<T>> &signalOversampled,</div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  <span class="keywordtype">int</span> oversampleFactor,</div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  std::valarray<std::complex<T>> &shiftImpact);</div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span> </div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span> </div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#a5fd8c1b1129a54f5896b459520cf7c69">upsample2D</a>(std::complex<T> *signal,</div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  std::complex<T> *signalOversampled,</div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="keywordtype">int</span> oversampleFactor);</div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span> </div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#a5fd8c1b1129a54f5896b459520cf7c69">upsample2D</a>(std::complex<T> *signal,</div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  std::complex<T> *signalOversampled,</div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <span class="keywordtype">int</span> oversampleFactor,</div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  std::complex<T> *shiftImpact);</div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span> </div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span> </div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span> </div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span> </div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#a8dc34e3a96a13737f97d264410622f96">nextPowerOfTwo</a>(<span class="keywordtype">size_t</span> N, <span class="keywordtype">size_t</span>& fftLength);</div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span> </div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span> </div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#af0f18768ed9d53ced2c32a7d92680805">_fwd_configure</a>(<span class="keywordtype">int</span> rank, <span class="keywordtype">int</span>* n, <span class="keywordtype">int</span> howmany,</div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="keywordtype">int</span>* inembed, <span class="keywordtype">int</span> istride, <span class="keywordtype">int</span> idist,</div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <span class="keywordtype">int</span>* onembed, <span class="keywordtype">int</span> ostride, <span class="keywordtype">int</span> odist);</div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span> </div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#a8f3166b264e0960a1477c8649c521b76">_rev_configure</a>(<span class="keywordtype">int</span> rank, <span class="keywordtype">int</span>* n, <span class="keywordtype">int</span> howmany,</div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <span class="keywordtype">int</span>* inembed, <span class="keywordtype">int</span> istride, <span class="keywordtype">int</span> idist,</div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="keywordtype">int</span>* onembed, <span class="keywordtype">int</span> ostride, <span class="keywordtype">int</span> odist);</div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span> </div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span> </div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#a5d613d8916e150969478171216de5fb7">_fwd_configureRangeFFT</a>(<span class="keywordtype">int</span> ncolumns, <span class="keywordtype">int</span> nrows);</div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span> </div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#a4dc0cbf80235e6489d944c48f3621d15">_fwd_configureAzimuthFFT</a>(<span class="keywordtype">int</span> ncolumns, <span class="keywordtype">int</span> nrows);</div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span> </div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#a7b494e120aaacc99aa93416eab80fffe">_fwd_configure2DFFT</a>(<span class="keywordtype">int</span> incolumns, <span class="keywordtype">int</span> inrows, <span class="keywordtype">int</span> oncolumns, <span class="keywordtype">int</span> onrows);</div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span> </div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#a2aa5b39dbd68c5eb3eafd1d6cfd0b91a">_rev_configureRangeFFT</a>(<span class="keywordtype">int</span> ncolumns, <span class="keywordtype">int</span> nrows);</div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span> </div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#a23f38dc85de46002f525ce1ba06179b0">_rev_configureAzimuthFFT</a>(<span class="keywordtype">int</span> ncolumns, <span class="keywordtype">int</span> nrows);</div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span> </div>
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classisce3_1_1signal_1_1Signal.html#a61c6d2b401c5dd30314d38d4121dfcd2">_rev_configure2DFFT</a>(<span class="keywordtype">int</span> ncolumns, <span class="keywordtype">int</span> nrows);</div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span> </div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span> </div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <span class="keyword">private</span>:</div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  <span class="keywordtype">int</span> _fwd_rank;</div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <span class="keywordtype">int</span>* _fwd_n;</div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="keywordtype">int</span> _fwd_howmany;</div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="keywordtype">int</span>* _fwd_inembed;</div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <span class="keywordtype">int</span> _fwd_istride;</div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keywordtype">int</span> _fwd_idist;</div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="keywordtype">int</span>* _fwd_onembed;</div>
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <span class="keywordtype">int</span> _fwd_ostride;</div>
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <span class="keywordtype">int</span> _fwd_odist;</div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span> </div>
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  <span class="keywordtype">int</span> _rev_rank;</div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <span class="keywordtype">int</span>* _rev_n;</div>
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <span class="keywordtype">int</span> _rev_howmany;</div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  <span class="keywordtype">int</span>* _rev_inembed;</div>
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  <span class="keywordtype">int</span> _rev_istride;</div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <span class="keywordtype">int</span> _rev_idist;</div>
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  <span class="keywordtype">int</span>* _rev_onembed;</div>
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <span class="keywordtype">int</span> _rev_ostride;</div>
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="keywordtype">int</span> _rev_odist;</div>
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span> </div>
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  <span class="keyword">struct </span>impl;</div>
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  std::unique_ptr<impl, void(*)(impl*)> pimpl;</div>
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span> };</div>
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span> </div>
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span> <span class="preprocessor">#define ISCE_SIGNAL_SIGNAL_ICC</span></div>
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span> <span class="preprocessor"></span><span class="preprocessor">#include "Signal.icc"</span></div>
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span> <span class="preprocessor">#undef ISCE_SIGNAL_SIGNAL_ICC</span></div>
<div class="ttc" id="classisce3_1_1signal_1_1Signal_html_a2d32a5e837d7d4e3e1e08512c6c9ed82"><div class="ttname"><a href="classisce3_1_1signal_1_1Signal.html#a2d32a5e837d7d4e3e1e08512c6c9ed82">isce3::signal::Signal::inverse2DFFT</a></div><div class="ttdeci">void inverse2DFFT(std::valarray< std::complex< T >> &spectrum, std::valarray< std::complex< T >> &signal, int ncolumns, int nrows)</div><div class="ttdoc">initiate plan for inverse two dimensional FFT for a block of data </div><div class="ttdef"><b>Definition:</b> Signal.cpp:871</div></div>
<div class="ttc" id="classisce3_1_1signal_1_1Signal_html_a610c974d61968df6bd84e106387f5087"><div class="ttname"><a href="classisce3_1_1signal_1_1Signal.html#a610c974d61968df6bd84e106387f5087">isce3::signal::Signal::Signal</a></div><div class="ttdeci">Signal()</div><div class="ttdoc">Default constructor. </div><div class="ttdef"><b>Definition:</b> Signal.cpp:20</div></div>
<div class="ttc" id="classisce3_1_1signal_1_1Signal_html"><div class="ttname"><a href="classisce3_1_1signal_1_1Signal.html">isce3::signal::Signal</a></div><div class="ttdoc">A class to handle 2D FFT or 1D FFT in range or azimuth directions. </div><div class="ttdef"><b>Definition:</b> forward.h:10</div></div>
<div class="ttc" id="classisce3_1_1signal_1_1Signal_html_a18624251180ce1ea8c253d6702130886"><div class="ttname"><a href="classisce3_1_1signal_1_1Signal.html#a18624251180ce1ea8c253d6702130886">isce3::signal::Signal::forwardAzimuthFFT</a></div><div class="ttdeci">void forwardAzimuthFFT(std::valarray< std::complex< T >> &signal, std::valarray< std::complex< T >> &spectrum, int ncolumns, int nrows)</div><div class="ttdoc">initiate plan for forward FFT in azimuth direction for a block of complex data. </div><div class="ttdef"><b>Definition:</b> Signal.cpp:459</div></div>
<div class="ttc" id="classisce3_1_1signal_1_1Signal_html_af0f18768ed9d53ced2c32a7d92680805"><div class="ttname"><a href="classisce3_1_1signal_1_1Signal.html#af0f18768ed9d53ced2c32a7d92680805">isce3::signal::Signal::_fwd_configure</a></div><div class="ttdeci">void _fwd_configure(int rank, int *n, int howmany, int *inembed, int istride, int idist, int *onembed, int ostride, int odist)</div><div class="ttdoc">save FFT plan parameters </div><div class="ttdef"><b>Definition:</b> Signal.icc:221</div></div>
<div class="ttc" id="classisce3_1_1signal_1_1Signal_html_af678bc937caa135fa42034ad293431c8"><div class="ttname"><a href="classisce3_1_1signal_1_1Signal.html#af678bc937caa135fa42034ad293431c8">isce3::signal::Signal::inverse</a></div><div class="ttdeci">void inverse(std::valarray< std::complex< T >> &input, std::valarray< std::complex< T >> &output)</div><div class="ttdoc">inverse transform </div><div class="ttdef"><b>Definition:</b> Signal.cpp:341</div></div>
<div class="ttc" id="classisce3_1_1signal_1_1Signal_html_a5f752c6023d7a7d410810f2567e364c0"><div class="ttname"><a href="classisce3_1_1signal_1_1Signal.html#a5f752c6023d7a7d410810f2567e364c0">isce3::signal::Signal::inverseAzimuthFFT</a></div><div class="ttdeci">void inverseAzimuthFFT(std::valarray< std::complex< T >> &spectrum, std::valarray< std::complex< T >> &signal, int ncolumns, int nrows)</div><div class="ttdoc">initiate plan for inverse FFT in azimuth direction for a block of data </div><div class="ttdef"><b>Definition:</b> Signal.cpp:790</div></div>
<div class="ttc" id="classisce3_1_1signal_1_1Signal_html_a8f3166b264e0960a1477c8649c521b76"><div class="ttname"><a href="classisce3_1_1signal_1_1Signal.html#a8f3166b264e0960a1477c8649c521b76">isce3::signal::Signal::_rev_configure</a></div><div class="ttdeci">void _rev_configure(int rank, int *n, int howmany, int *inembed, int istride, int idist, int *onembed, int ostride, int odist)</div><div class="ttdoc">save FFT plan parameters </div><div class="ttdef"><b>Definition:</b> Signal.icc:271</div></div>
<div class="ttc" id="classisce3_1_1signal_1_1Signal_html_a625fcf6bd59573dfb1ca4f68ad3f96d6"><div class="ttname"><a href="classisce3_1_1signal_1_1Signal.html#a625fcf6bd59573dfb1ca4f68ad3f96d6">isce3::signal::Signal::inverseRangeFFT</a></div><div class="ttdeci">void inverseRangeFFT(std::valarray< std::complex< T >> &spectrum, std::valarray< std::complex< T >> &signal, int ncolumns, int nrows)</div><div class="ttdoc">initiate plan for backward FFT in range direction for a block of data </div><div class="ttdef"><b>Definition:</b> Signal.cpp:733</div></div>
<div class="ttc" id="classisce3_1_1signal_1_1Signal_html_a7b494e120aaacc99aa93416eab80fffe"><div class="ttname"><a href="classisce3_1_1signal_1_1Signal.html#a7b494e120aaacc99aa93416eab80fffe">isce3::signal::Signal::_fwd_configure2DFFT</a></div><div class="ttdeci">void _fwd_configure2DFFT(int incolumns, int inrows, int oncolumns, int onrows)</div><div class="ttdoc">determine the required parameters for setting 2D FFT plans </div><div class="ttdef"><b>Definition:</b> Signal.icc:150</div></div>
<div class="ttc" id="classisce3_1_1signal_1_1Signal_html_a49f683a3f4a29095baf86ccd363f0740"><div class="ttname"><a href="classisce3_1_1signal_1_1Signal.html#a49f683a3f4a29095baf86ccd363f0740">isce3::signal::Signal::forward</a></div><div class="ttdeci">void forward(std::valarray< std::complex< T >> &input, std::valarray< std::complex< T >> &output)</div><div class="ttdoc">forward transform </div><div class="ttdef"><b>Definition:</b> Signal.cpp:288</div></div>
<div class="ttc" id="classisce3_1_1signal_1_1Signal_html_a61c6d2b401c5dd30314d38d4121dfcd2"><div class="ttname"><a href="classisce3_1_1signal_1_1Signal.html#a61c6d2b401c5dd30314d38d4121dfcd2">isce3::signal::Signal::_rev_configure2DFFT</a></div><div class="ttdeci">void _rev_configure2DFFT(int ncolumns, int nrows)</div><div class="ttdoc">determine the required parameters for setting 2D FFT plans </div><div class="ttdef"><b>Definition:</b> Signal.icc:182</div></div>
<div class="ttc" id="classisce3_1_1signal_1_1Signal_html_a5d613d8916e150969478171216de5fb7"><div class="ttname"><a href="classisce3_1_1signal_1_1Signal.html#a5d613d8916e150969478171216de5fb7">isce3::signal::Signal::_fwd_configureRangeFFT</a></div><div class="ttdeci">void _fwd_configureRangeFFT(int ncolumns, int nrows)</div><div class="ttdoc">determine the required parameters for setting range FFT plans </div><div class="ttdef"><b>Definition:</b> Signal.icc:35</div></div>
<div class="ttc" id="classisce3_1_1signal_1_1Signal_html_adaca0fb5fa19f55fe45a1e197274ad04"><div class="ttname"><a href="classisce3_1_1signal_1_1Signal.html#adaca0fb5fa19f55fe45a1e197274ad04">isce3::signal::Signal::upsample</a></div><div class="ttdeci">void upsample(std::valarray< std::complex< T >> &signal, std::valarray< std::complex< T >> &signalOversampled, int rows, int fft_size, int oversampleFactor)</div><div class="ttdoc">upsampling a block of data in range direction </div><div class="ttdef"><b>Definition:</b> Signal.cpp:952</div></div>
<div class="ttc" id="classisce3_1_1signal_1_1Signal_html_a2aa5b39dbd68c5eb3eafd1d6cfd0b91a"><div class="ttname"><a href="classisce3_1_1signal_1_1Signal.html#a2aa5b39dbd68c5eb3eafd1d6cfd0b91a">isce3::signal::Signal::_rev_configureRangeFFT</a></div><div class="ttdeci">void _rev_configureRangeFFT(int ncolumns, int nrows)</div><div class="ttdoc">determine the required parameters for setting range FFT plans </div><div class="ttdef"><b>Definition:</b> Signal.icc:62</div></div>
<div class="ttc" id="classisce3_1_1signal_1_1Signal_html_a09134877ef3ab561e37b0e7a182f5c0d"><div class="ttname"><a href="classisce3_1_1signal_1_1Signal.html#a09134877ef3ab561e37b0e7a182f5c0d">isce3::signal::Signal::fftPlanBackward</a></div><div class="ttdeci">void fftPlanBackward(std::valarray< std::complex< T >> &input, std::valarray< std::complex< T >> &output, int rank, int *n, int howmany, int *inembed, int istride, int idist, int *onembed, int ostride, int odist, int sign)</div><div class="ttdoc">initiate iverse FFTW3 plan for a block of spectrum input parameters follow FFTW3 interface for fftw_p...</div><div class="ttdef"><b>Definition:</b> Signal.cpp:171</div></div>
<div class="ttc" id="classisce3_1_1signal_1_1Signal_html_afe0cf8d9c1ca7da086cfa7a537c7abfd"><div class="ttname"><a href="classisce3_1_1signal_1_1Signal.html#afe0cf8d9c1ca7da086cfa7a537c7abfd">isce3::signal::Signal::forwardRangeFFT</a></div><div class="ttdeci">void forwardRangeFFT(std::valarray< std::complex< T >> &signal, std::valarray< std::complex< T >> &spectrum, int ncolumns, int nrows)</div><div class="ttdoc">initiate plan for forward FFT in range direction for a block of complex data. </div><div class="ttdef"><b>Definition:</b> Signal.cpp:381</div></div>
<div class="ttc" id="classisce3_1_1signal_1_1Signal_html_a8dc34e3a96a13737f97d264410622f96"><div class="ttname"><a href="classisce3_1_1signal_1_1Signal.html#a8dc34e3a96a13737f97d264410622f96">isce3::signal::Signal::nextPowerOfTwo</a></div><div class="ttdeci">void nextPowerOfTwo(size_t N, size_t &fftLength)</div><div class="ttdoc">next power of two </div><div class="ttdef"><b>Definition:</b> Signal.icc:19</div></div>
<div class="ttc" id="classisce3_1_1signal_1_1Signal_html_aebef961921a56f9a9e08e827e18471f5"><div class="ttname"><a href="classisce3_1_1signal_1_1Signal.html#aebef961921a56f9a9e08e827e18471f5">isce3::signal::Signal::forward2DFFT</a></div><div class="ttdeci">void forward2DFFT(std::valarray< std::complex< T >> &signal, std::valarray< std::complex< T >> &spectrum, int ncolumns, int nrows)</div><div class="ttdoc">initiate plan for forward two imensional FFT for a block of complex data </div><div class="ttdef"><b>Definition:</b> Signal.cpp:535</div></div>
<div class="ttc" id="classisce3_1_1signal_1_1Signal_html_a5fd8c1b1129a54f5896b459520cf7c69"><div class="ttname"><a href="classisce3_1_1signal_1_1Signal.html#a5fd8c1b1129a54f5896b459520cf7c69">isce3::signal::Signal::upsample2D</a></div><div class="ttdeci">void upsample2D(std::valarray< std::complex< T >> &signal, std::valarray< std::complex< T >> &signalOversampled, int oversampleFactor)</div><div class="ttdoc">2D upsampling a block of 2D data </div><div class="ttdef"><b>Definition:</b> Signal.cpp:1051</div></div>
<div class="ttc" id="classisce3_1_1signal_1_1Signal_html_a4dc0cbf80235e6489d944c48f3621d15"><div class="ttname"><a href="classisce3_1_1signal_1_1Signal.html#a4dc0cbf80235e6489d944c48f3621d15">isce3::signal::Signal::_fwd_configureAzimuthFFT</a></div><div class="ttdeci">void _fwd_configureAzimuthFFT(int ncolumns, int nrows)</div><div class="ttdoc">determine the required parameters for setting azimuth FFT plans </div><div class="ttdef"><b>Definition:</b> Signal.icc:92</div></div>
<div class="ttc" id="classisce3_1_1signal_1_1Signal_html_a23f38dc85de46002f525ce1ba06179b0"><div class="ttname"><a href="classisce3_1_1signal_1_1Signal.html#a23f38dc85de46002f525ce1ba06179b0">isce3::signal::Signal::_rev_configureAzimuthFFT</a></div><div class="ttdeci">void _rev_configureAzimuthFFT(int ncolumns, int nrows)</div><div class="ttdoc">determine the required parameters for setting azimuth FFT plans </div><div class="ttdef"><b>Definition:</b> Signal.icc:120</div></div>
<div class="ttc" id="classisce3_1_1signal_1_1Signal_html_a5b76941cad44235615466fc4a1723a64"><div class="ttname"><a href="classisce3_1_1signal_1_1Signal.html#a5b76941cad44235615466fc4a1723a64">isce3::signal::Signal::fftPlanForward</a></div><div class="ttdeci">void fftPlanForward(std::valarray< std::complex< T >> &input, std::valarray< std::complex< T >> &output, int rank, int *n, int howmany, int *inembed, int istride, int idist, int *onembed, int ostride, int odist, int sign)</div><div class="ttdoc">initiate forward FFTW3 plan for a block of complex data input parameters follow FFTW3 interface for f...</div><div class="ttdef"><b>Definition:</b> Signal.cpp:46</div></div>
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